Optimization of the spark plasma sintering processing parameters of ECR-glass/TiO2/PI nanocomposite using Taguchi design of experiment

IF 1.7 4区 工程技术 Q4 POLYMER SCIENCE
V.E. Ogbonna , A.P.I. Popoola , O.M. Popoola
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引用次数: 3

Abstract

This research evaluates the influence of process parameters of the spark plasma sintering (SPS) technique on the densification and hardness properties of ECR/TiO2/PI nanocomposite. Taguchi’s design of experiment was employed for designing the sintering process, while analysis of variance (ANOVA) was adopted to evaluate the contribution of the factor variables to the response variable of hardness and density. 10 wt% ECR-glass and 4 wt% TiO2 were used as reinforcements in the polyimide matrix at varying pressure and temperature for the physical experiment. The sintered samples were examined using a scanning electron microscope, nanoindentation tests, and an Archimedes-based density tester. The optimization was performed on total 9 numbers of runs of experiments. The most desirable SPS processing parameters were recorded at 320 °C and a pressure of 30 MPa. Under this processing condition, a density of 1.49 g/cm3 (relative density of 98.7%), Vickers hardness, and nanoindentation hardness value of 33.46 HV and 361.30 MPa, respectively, were obtained. This research work suggests a facile way to produce high-performance PI nanocomposite for various engineering applications, such as mechanical load-bearing and insulation applications.

采用田口实验设计优化ecr -玻璃/TiO2/PI纳米复合材料的火花等离子烧结工艺参数
研究了放电等离子烧结(SPS)工艺参数对ECR/TiO2/PI纳米复合材料致密化和硬度性能的影响。烧结工艺设计采用田口试验设计法,方差分析(ANOVA)评价各因素变量对硬度和密度响应变量的贡献。采用10 wt%的ecr -玻璃和4 wt%的TiO2作为增强剂,在不同的压力和温度下对聚酰亚胺基体进行物理实验。采用扫描电子显微镜、纳米压痕测试和阿基米德密度测试仪对烧结样品进行了检测。优化进行总数量9的运行实验。在320°C和30 MPa的压力下记录了最理想的SPS加工参数。在此工艺条件下,得到的合金密度为1.49 g/cm3(相对密度为98.7%),维氏硬度为33.46 HV,纳米压痕硬度为361.30 MPa。这项研究工作提出了一种简便的方法来生产高性能的PI纳米复合材料,用于各种工程应用,如机械承重和绝缘应用。
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来源期刊
CiteScore
3.50
自引率
5.30%
发文量
37
审稿时长
1.6 months
期刊介绍: The scope of the journal is to publish original contributions and reviews on studies, methodologies, instrumentation, and applications involving the analysis and characterization of polymers and polymeric-based materials, including synthetic polymers, blends, composites, fibers, coatings, supramolecular structures, polysaccharides, and biopolymers. The Journal will accept papers and review articles on the following topics and research areas involving fundamental and applied studies of polymer analysis and characterization: Characterization and analysis of new and existing polymers and polymeric-based materials. Design and evaluation of analytical instrumentation and physical testing equipment. Determination of molecular weight, size, conformation, branching, cross-linking, chemical structure, and sequence distribution. Using separation, spectroscopic, and scattering techniques. Surface characterization of polymeric materials. Measurement of solution and bulk properties and behavior of polymers. Studies involving structure-property-processing relationships, and polymer aging. Analysis of oligomeric materials. Analysis of polymer additives and decomposition products.
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